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Differential effects of wake promoting drug modafinil in aversive learning paradigms

Overview of attention for article published in Frontiers in Behavioral Neuroscience, August 2015
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Title
Differential effects of wake promoting drug modafinil in aversive learning paradigms
Published in
Frontiers in Behavioral Neuroscience, August 2015
DOI 10.3389/fnbeh.2015.00220
Pubmed ID
Authors

Bharanidharan Shanmugasundaram, Volker Korz, Markus Fendt, Katharina Braun, Gert Lubec

Abstract

Modafinil (MO) an inhibitor of the dopamine transporter was initially approved to treat narcolepsy, a sleep related disorder in humans. One interesting "side-effect" of this drug, which emerged from preclinical and clinical studies, is the facilitation of cognitive performance. So far, this was primarily shown in appetitive learning paradigms, but it is yet unclear whether MO exerts a more general cognitive enhancement effect. Thus, the aim of the present study in rats was to extend these findings by testing the effects of MO in two aversive paradigms, Pavlovian fear conditioning (FC) and the operant two-way active avoidance (TWA) learning paradigms. We discovered a differential, task-dependent effect of MO. In the FC paradigm MO treated rats showed a dose-dependent enhancement of fear memory compared to vehicle treated rats, indicated by increased context-related freezing. Cue related fear memory remained unaffected. In the TWA paradigm MO induced a significant decrease of avoidance responses compared to vehicle treated animals, while the number of escape reactions during the acquisition of the TWA task remained unaffected. These findings expand the knowledge in the regulation of cognitive abilities and may contribute to the understanding of the contraindicative effects of MO in anxiety related mental disorders.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 2%
France 1 2%
Unknown 39 95%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 9 22%
Student > Ph. D. Student 7 17%
Researcher 4 10%
Student > Master 4 10%
Other 3 7%
Other 7 17%
Unknown 7 17%
Readers by discipline Count As %
Neuroscience 9 22%
Medicine and Dentistry 7 17%
Agricultural and Biological Sciences 6 15%
Psychology 6 15%
Economics, Econometrics and Finance 2 5%
Other 3 7%
Unknown 8 20%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 August 2015.
All research outputs
#20,288,585
of 22,824,164 outputs
Outputs from Frontiers in Behavioral Neuroscience
#2,827
of 3,168 outputs
Outputs of similar age
#223,252
of 266,176 outputs
Outputs of similar age from Frontiers in Behavioral Neuroscience
#82
of 86 outputs
Altmetric has tracked 22,824,164 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,168 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.4. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 86 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.